21552934

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{2131}}^1$

素因数の和:2535

約数の個数: 16

約数和(自身を含む): 34922160

約数和(自身を除く): 13369226

約数列:

[1, 2, 13, 26, 389, 778, 2131, 4262, 5057, 10114, 27703, 55406, 828959, 1657918, 10776467, 21552934]

約数ペア:

[(1, 21552934), (2, 10776467), (13, 1657918), (26, 828959), (389, 55406), (778, 27703), (2131, 10114), (4262, 5057)]